TESTING/LIN/dchksp.f(3)

💖 NAME 💖

TESTING/LIN/dchksp.f — okay bestie, welcome to the TESTING/LIN/dchksp.f(3) page in the Library Functions Manual. This is the TESTING/LIN/dchksp.f page, and the whole vibe is DCHKSP doing its testing thing. 💅

---

✨ SYNOPSIS ✨

🧚 Functions/Subroutines 🧚

       subroutine dchksp (dotype, nn, nval, nns, nsval, thresh, tsterr, nmax,
           a, afac, ainv, b, x, xact, work, rwork, iwork, nout)
           DCHKSP

---

🦋 Function/Subroutine Documentation 🦋

Here’s the full signature, no cap:

       subroutine dchksp (logical, dimension( * ) dotype, integer nn, integer,
           dimension( * ) nval, integer nns, integer, dimension( * ) nsval, double
           precision thresh, logical tsterr, integer nmax, double precision,
           dimension( * ) a, double precision, dimension( * ) afac, double
           precision, dimension( * ) ainv, double precision, dimension( * ) b,
           double precision, dimension( * ) x, double precision, dimension( * )
           xact, double precision, dimension( * ) work, double precision,
           dimension( * ) rwork, integer, dimension( * ) iwork, integer nout)
           DCHKSP

🌸 Purpose 🌸

DCHKSP tests DSPTRF, -TRI, -TRS, -RFS, and -CON. That’s the purpose, periodt. ✨

🎀 Parameters 🎀

• DOTYPE — DOTYPE is LOGICAL array, dimension (NTYPES). It’s the matrix-type menu: matrices of type j (for 1 <= j <= NTYPES) are used for testing if DOTYPE(j) = .TRUE.; if DOTYPE(j) = .FALSE., then type j is not used.
• NN — NN is INTEGER. The number of values of N contained in the vector NVAL.
• NVAL — NVAL is INTEGER array, dimension (NN). The values of the matrix dimension N.
• NNS — NNS is INTEGER. The number of values of NRHS contained in the vector NSVAL.
• NSVAL — NSVAL is INTEGER array, dimension (NNS). The values of the number of right hand sides NRHS.
• THRESH — THRESH is DOUBLE PRECISION. The threshold value for the test ratios. A result is included in the output file if RESULT >= THRESH. To have every test ratio printed, use THRESH = 0.
• TSTERR — TSTERR is LOGICAL. Flag that indicates whether error exits are to be tested.
• NMAX — NMAX is INTEGER. The maximum value permitted for N, used in dimensioning the work arrays.
• A — A is DOUBLE PRECISION array, dimension (NMAX*(NMAX+1)/2).
• AFAC — AFAC is DOUBLE PRECISION array, dimension (NMAX*(NMAX+1)/2).
• AINV — AINV is DOUBLE PRECISION array, dimension (NMAX*(NMAX+1)/2).
• B — B is DOUBLE PRECISION array, dimension (NMAX*NSMAX) where NSMAX is the largest entry in NSVAL.
• X — X is DOUBLE PRECISION array, dimension (NMAX*NSMAX).
• XACT — XACT is DOUBLE PRECISION array, dimension (NMAX*NSMAX).
• WORK — WORK is DOUBLE PRECISION array, dimension (NMAX*max(2,NSMAX)).
• RWORK — RWORK is DOUBLE PRECISION array, dimension (NMAX+2*NSMAX).
• IWORK — IWORK is INTEGER array, dimension (2*NMAX).
• NOUT — NOUT is INTEGER. The unit number for output.

👑 Author 👑

• Univ. of Tennessee
• Univ. of California Berkeley
• Univ. of Colorado Denver
• NAG Ltd.

Definition at line 160 of file dchksp.f.

---

💀 Author 💀

Generated automatically by Doxygen for LAPACK from the source code.

---

Later, bestie — the footer energy is LAPACK Version 3.12.0, and the source page is TESTING/LIN/dchksp.f(3). Stay slay. 💖✨